– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 pm Sun 07 Jun Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 pm Sun 07 Jun Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Sun 07 Jun Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 41mm), heaviest during Tue morning. Very mild (max 15°C on Mon afternoon, min 6°C on Tue night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Warm (max 20°C on Sat morning, min 7°C on Wed night). Wind will be generally light. | ||||||||||||||||
Sun 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | | | |  |  | | | | | | |
rain shwrs | rain shwrs | cloudy | light rain | mod. rain | heavy rain | mod. rain | mod. rain | mod. rain | rain shwrs | clear | clear | clear | clear | clear | rain shwrs | rain shwrs | |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
0.8 | 0.1 | — | 0.2 | 8 | 12 | 6 | 8 | 5 | 0.5 | — | — | — | — | — | 0.1 | 0.1 | |
max °C | 11 | 11 | 14 | 15 | 11 | 9 | 10 | 9 | 7 | 13 | 11 | 14 | 17 | 15 | 16 | 18 | 16 |
min °C | 8 | 7 | 11 | 13 | 9 | 8 | 9 | 6 | 7 | 9 | 7 | 11 | 17 | 10 | 13 | 18 | 13 |
8 | 6 | 11 | 13 | 9 | 6 | 8 | 5 | 6 | 9 | 7 | 11 | 17 | 10 | 13 | 18 | 13 | |
1950 | 2200 | 2250 | 2350 | 2200 | 1850 | 1950 | 1550 | 1550 | 2500 | 3200 | 2800 | 2900 | 2950 | 2650 | 2850 | 2900 | |
Cloud base (m) | 650 | 2800 | 2500 | 550 | 550 | 600 | 600 | 600 | 700 | 9300 | 2250 | ||||||
 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:05 | — | — | 5:03 | — | — |
 | — | 9:07 | — | — | 9:07 | — | — | 9:07 | — | — | 9:08 | — | — | 9:09 | — | — | 9:09 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 41mm), heaviest during Tue morning. Very mild (max 15°C on Mon afternoon, min 6°C on Tue night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mostly dry. Warm (max 20°C on Sat morning, min 7°C on Wed night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.